Utility knife



FIG. 1 is a perspective view of a utility knife, with the blade in aretracted position, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom elevational plan view thereof;

FIG. 6 is a left end elevational view thereof; and,

FIG. 7 is a right end elevational view thereof.

The broken line portions of the disclosure for illustrative purposesonly and forms no part of the claimed design.

The ornamental design for a utility knife, as shown.